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TDC Duct Corner Punching Line
Delivery terms: EXW,FCA,FAS,FOB,CFR,CIF,CPT,CIP,DAT,DAP,DDP
Payment: 30% down payment by T/T,the balance down before shipment.
Lead time: witin 10-35 days after receiving down payment.
Guarantee: within one year since date of B/L.
- Specification
This line is designed for sheet metal forming and blanking purpose with automatic work.
I Production flow:
Decoiling and straightening machine → Roller feeding device → punching machine
II Technical data
Material: Steel plate in coil
Available external diameter: Ф1200mm
Available interior diameter: Ф508±10mm
Width of steel strip: 150mm
Thickness of steel strip: 1.5-2.0 mm
Weight of coil: ≤500 kg
Work speed: 45pieces/min
Power: 380V±10%
Air pressure: ≥0.5Mpa
2.1 Decoiling and straightening machine
The Decoiling machine is mechanical expansion type with passive driven, work with straightening machine which is active driven machine by motor.
Main technical data
Model: BML-150
Max. Sheet width: 150mm
Sheet thickness: 0.5-3.0mm
Inner diameter of coil: 450-530mm
Outer diameter of coil: max. 1200mm
Max. coil weight: 500kg
Feeding roller size: 60mm x 2pieces + 80mm x 2pieces
Straightening roller size: 50mm x 7pieces
Expansion: manually expanded by handle
Reducer ratio: 1/30
Driving motor power: 1.5kW
2.2 Automatic roller feeding device
The automatic roller feeding device is connected punch press by draw bar, the feeding speed match up with press well.
Model: BRF-2010NS
Suitable coil width: 200mm
Suitable material thickness: max.3.5mm
Feeding length: 100mm
Feeding speed: same as punching speed.
Feeding precision: +/- 0.2mm
Weight: 155kg
2.3 Punching machine
Type: JD21-80A
Nominal force: 800kN
Stroke under nominal force: 9mm
Slide stroke: 130mm
Stroke frequency: 45times/min
Max die set height: 320mm
Adjustment of die height: 100mm
Distance between slide block center to the frame: 300mm
Dimension of worktable: 580 x 860mm (F-B x L-R)
Thickness of worktable: 100mm
Dimension of hole on worktable: Φ280 x 220 x Φ380mm (upper diameter x deepness x lower diameter)
Dimension of slide block bottom surface: 280 x 380mm
Tool shank: 60mm x 75mm (diameter x depth)
Distance between columns: 410mm
Motor power: 7.5kW
Dimension: 1925mm x 1470mm x 2675mm
Weight: 5200kg
